TRIL A: Ogyginus corndensis. Ordovician, Lower Llanvirn series, Old Tile Quarry, Upper Gilwern Hill, Near Hundred House, Powys, Wales. Trilo measures 4 "(10cm)

£38 NEW !

TRIL B: Ogyginus corndensis. Ordovician, Llanvirn series, Llandrindod Wells, Powys. Mid Wales

Pos /Neg trilo measures 1 1/4 "(3cm)

£15 NEW !

TRIL C: Encrinurus, Chingwun, Silurian, China

Block measures 4cm (1 1/2 ")

TRIL D: Dalmanites cephalon, Silurian, Wenlock Limestone, Shropshire

block measures 11cm (4 3/8")

£25 NEW!

TRIL E: Bettonolithus chamberlaini, Llanvirn series, Upper Gilwern, Hundred House, Powys, Wales

Block measures 6cm. (2 3/8 ").

£8 NEW!

TRIL F: Trinucleus fimbriatus, Llanvirn series, Builth- Wells, Wales

Block measuring 8.5cm (3 3/8")
£8 NEW!